CN211449809U - Anti-leakage fixed ball valve - Google Patents
Anti-leakage fixed ball valve Download PDFInfo
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- CN211449809U CN211449809U CN201922274957.6U CN201922274957U CN211449809U CN 211449809 U CN211449809 U CN 211449809U CN 201922274957 U CN201922274957 U CN 201922274957U CN 211449809 U CN211449809 U CN 211449809U
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- fixed ball
- ball valve
- supporting shaft
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Abstract
The utility model discloses a prevent leaking fixed ball valve, it includes the fixed ball valve body, the fixed ball valve body has left valve body, right valve body and disk seat lock ring, and the disk seat lock ring is through first O type sealing washer and left valve body and right valve body sealing contact, be equipped with the corrosion-resistant layer on the position that contacts with first O type sealing washer of left side valve body, right valve body respectively. The utility model discloses can prevent effectively that the position that contacts with first O type sealing washer of left valve body and right valve body from taking place to corrode, and then effectively guarantee the sealing performance of first O type sealing washer.
Description
Technical Field
The utility model relates to a prevent leaking fixed ball valve.
Background
In general fixed ball valve, it leaks or leaks outward in the ball valve to have many places to use O type sealing washer to prevent, when fixed ball valve is used in aqueous medium or hot water pipeline, what valve body, left valve body and right valve body were used in general is the carbon steel material, can corrode in aqueous, corrosion degree aggravation when the temperature is higher, several departments of using O type sealing washer are static seal or are close to static seal, along with the pile up of corruption back iron rust, or corrode the back surface and become coarse, all can influence the sealing performance of O type sealing washer, and then leak or leak outward in leading to the ball valve.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a prevent leaking fixed ball valve, it can prevent effectively that the position that contacts with first O type sealing washer of left valve body and right valve body from taking place to corrode, and then effectively guarantees the sealing performance of first O type sealing washer.
In order to solve the technical problem, the technical scheme of the utility model is that: the anti-leakage fixed ball valve comprises a fixed ball valve body, wherein the fixed ball valve body is provided with a left valve body, a right valve body and a valve seat supporting ring, the valve seat supporting ring is in sealing contact with the left valve body and the right valve body through a first O-shaped sealing ring, and corrosion resistant layers are respectively arranged at the positions of the left valve body and the right valve body, which are in contact with the first O-shaped sealing ring.
Further in order to prevent to go up the support shaft and take place to leak between the well valve body, fixed ball valve body still has well valve body and last support shaft, go up support shaft and well valve body fixed connection, go up to be sealed between support shaft and the well valve body and have at least one second O type sealing washer, go up and be equipped with the corrosion-resistant layer on the position that support shaft and/or well valve body and second O type sealing washer contacted.
Further in order to prevent the leakage between the valve rod and the upper supporting shaft, the fixed ball valve body is also provided with a valve rod which is rotatably supported in the upper supporting shaft through a bearing, at least one third O-shaped sealing ring is sealed between the valve rod and the upper supporting shaft, and a corrosion-resistant layer is arranged at the position where the upper supporting shaft is contacted with the third O-shaped sealing ring.
Further, in order to prevent leakage between the lower support shaft and the middle valve body, the fixed ball valve body is further provided with the middle valve body and the lower support shaft fixed on the middle valve body, at least one fourth O-shaped sealing ring is sealed between the lower support shaft and the middle valve body, and a corrosion-resistant layer is arranged at the position where the lower support shaft and/or the middle valve body are/is contacted with the fourth O-shaped sealing ring.
Further, in order to prevent leakage between the middle valve body and the left valve body and/or between the middle valve body and the right valve body, the left valve body and the right valve body are respectively connected with the middle valve body, fifth O-shaped sealing rings are sealed between the middle valve body and the left valve body and between the middle valve body and the right valve body, and corrosion-resistant layers are arranged at the positions where the middle valve body and/or the left valve body and/or the right valve body are in contact with the fifth O-shaped sealing rings.
Further, the corrosion-resistant layer is a surfacing corrosion-resistant layer.
Further, in order to enhance the corrosion resistance of the valve seat support ring, the valve seat support ring is made of stainless steel or carbon steel with a right nickel-phosphorus-boron alloy plating layer deposited on the surface.
Further in order to enhance the corrosion resistance of the valve rod and/or the upper support shaft, the valve rod and/or the upper support shaft are made of stainless steel or carbon steel with a right nickel-phosphorus-boron alloy plating layer deposited on the surface.
Further, in order to enhance the corrosion resistance of the lower support shaft, the lower support shaft is made of stainless steel or carbon steel with a right nickel-phosphorus-boron alloy plating layer plated on the surface in a sinking mode.
Furthermore, the left valve body, the right valve body and the middle valve body are made of carbon steel.
Further, the material of the surfacing corrosion-resistant layer is 316 stainless steel.
After the technical scheme is adopted, the utility model discloses a disk seat lock ring and left valve body, between the right valve body, go up between supporting shaft and the well valve body, between valve rod and the last supporting shaft, between under bracing axle and the well valve body and left valve body, it is sealed through O type sealing washer between the right valve body respectively, at left valve body, right valve body, go up the supporting shaft, the position local build-up welding corrosion resistant material that each and O type sealing washer of well valve body and under bracing axle contacted, form the corrosion-resistant layer, the disk seat lock ring, the valve rod, go up the carbon steel that supporting shaft and under bracing axle adopted stainless steel or surface heavy plating right nickel phosphorus boron alloy cladding material, can support the water-resistant corruption, thereby guarantee effectively to guarantee the sealing performance of each O type sealing washer, the fixed ball valve body that significantly reduces takes place the probability of internal leakage and outer hourglass.
Drawings
Fig. 1 is a schematic structural view of the leak-proof fixed ball valve of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
FIG. 4 is an enlarged view of section C of FIG. 1;
fig. 5 is an enlarged view of a portion D of fig. 1.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1 to 5, the anti-leakage fixed ball valve comprises a fixed ball valve body, wherein the fixed ball valve body is provided with a left valve body 1, a right valve body 2 and a valve seat support ring 3, the valve seat support ring 3 is in sealing contact with the left valve body 1 and the right valve body 2 through a first O-shaped seal ring 4, and corrosion resistant layers 5 are respectively arranged at the positions of the left valve body 1 and the right valve body 2, which are in contact with the first O-shaped seal ring 4.
As shown in fig. 1 and 3, in order to prevent leakage between the upper support shaft 7 and the middle valve body 6, the fixed ball valve body further comprises a middle valve body 6 and an upper support shaft 7, the upper support shaft 7 is fixedly connected with the middle valve body 6, at least one second O-ring seal 8 is sealed between the upper support shaft 7 and the middle valve body 6, and a corrosion-resistant layer 5 is arranged at a position where the upper support shaft 7 and/or the middle valve body 6 contact with the second O-ring seal 8.
As shown in fig. 1 and 3, in order to prevent leakage between the valve rod 9 and the upper support shaft 7, the fixed ball valve body further comprises a valve rod 9, the valve rod 9 is rotatably supported in the upper support shaft 7 through a bearing 10, at least one third O-ring 11 is sealed between the valve rod 9 and the upper support shaft 7, and a corrosion-resistant layer 5 is provided at a position where the upper support shaft 7 contacts the third O-ring 11.
As shown in fig. 1 and 4, in order to prevent leakage between the lower support shaft 12 and the middle valve body 6, the fixed ball valve body further comprises a middle valve body 6 and a lower support shaft 12 fixed on the middle valve body 6, at least one fourth O-ring 13 is sealed between the lower support shaft 12 and the middle valve body 6, and a corrosion-resistant layer 5 is arranged at a position where the lower support shaft 12 and/or the middle valve body 6 contact with the fourth O-ring 13.
As shown in fig. 1 and 5, in order to prevent the leakage between the middle valve body 6 and the left valve body 1 and/or between the middle valve body 6 and the right valve body 2, the left valve body 1 and the right valve body 2 are respectively connected with the middle valve body 6, fifth O-ring seals 14 are sealed between the middle valve body 6 and the left valve body 1 and between the middle valve body 2 and the right valve body 2, and corrosion-resistant layers 5 are arranged at the positions where the middle valve body 6 and/or the left valve body 1 and/or the right valve body 2 contact with the fifth O-ring seals 14.
As shown in fig. 1 to 5, the corrosion-resistant layer 5 is a build-up welding corrosion-resistant layer. Specifically, the material of the surfacing corrosion-resistant layer is 316 stainless steel.
In this embodiment, in order to enhance the corrosion resistance of the valve seat support ring 3, the valve seat support ring 3 is made of stainless steel or carbon steel with a right ni — p-b alloy plating layer deposited on the surface; in order to enhance the corrosion resistance of the valve rod 9 and/or the upper support shaft 7, the valve rod 9 and/or the upper support shaft 7 are made of stainless steel or carbon steel with a right nickel-phosphorus-boron alloy plating layer deposited on the surface; in order to enhance the corrosion resistance of the lower support shaft 12, the lower support shaft 12 is made of stainless steel or carbon steel with a right nickel-phosphorus-boron alloy plating layer deposited on the surface; the left valve body 1, the right valve body 2 and the middle valve body 6 are made of carbon steel.
The fixed ball valve body is also provided with a ball body 15 and a valve seat, wherein the ball body 15 is positioned in the middle valve body 6 and is rotatably supported on the lower supporting shaft 12, the valve seat is arranged between the ball body 15 and the valve seat supporting ring 3 for sealing, and the valve rod 9 is connected with the ball body 15 to drive the ball body 15 to rotate.
The working principle of the utility model is as follows:
the utility model discloses a disk seat lock ring 3 and left valve body 1, between the right valve body 2, go up between supporting shaft 7 and the well valve body 6, between valve rod 9 and last supporting shaft 7, between under bracing shaft 12 and the well valve body 6 and left valve body 1, it is sealed through O type sealing washer respectively between the right valve body 2, at left valve body 1, right valve body 2, go up supporting shaft 7, the position local build-up welding corrosion resistant material that each and O type sealing washer of well valve body 6 and under bracing shaft 12 contacted, form the erosion resistant layer, disk seat lock ring 3, valve rod 9, go up supporting shaft 7 and under bracing shaft 12 and adopt stainless steel or the carbon steel of the heavy plating right nickel phosphorus boron alloy cladding material of surface, can support the corrosion of water-resistant, thereby guarantee effectively to guarantee the sealing performance of each O type sealing washer, the probability of internal leakage and external leakage takes place for the fixed ball valve body that significantly reduces.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (10)
1. A leakproof fixed ball valve is characterized in that,
the ball valve comprises a fixed ball valve body, wherein the fixed ball valve body is provided with a left valve body (1), a right valve body (2) and a valve seat supporting ring (3), the valve seat supporting ring (3) is in sealing contact with the left valve body (1) and the right valve body (2) through a first O-shaped sealing ring (4), and corrosion resistant layers (5) are respectively arranged at the positions of the left valve body (1) and the right valve body (2) which are in contact with the first O-shaped sealing ring (4).
2. The leak resistant fixed ball valve of claim 1,
the fixed ball valve body still has well valve body (6) and last supporting shaft (7), go up supporting shaft (7) and well valve body (6) fixed connection, go up supporting shaft (7) and well valve body (6) between sealed at least one second O type sealing washer (8), go up supporting shaft (7) and/or well valve body (6) and be equipped with on the position that second O type sealing washer (8) contacted and endure corrosion layer (5).
3. The leak resistant fixed ball valve of claim 2,
the fixed ball valve body is further provided with a valve rod (9), the valve rod (9) is rotatably supported in the upper supporting shaft (7) through a bearing (10), at least one third O-shaped sealing ring (11) is sealed between the valve rod (9) and the upper supporting shaft (7), and a corrosion resistant layer (5) is arranged on the position, contacted with the third O-shaped sealing ring (11), of the upper supporting shaft (7).
4. The leak resistant fixed ball valve of claim 1,
the fixed ball valve body is further provided with a middle valve body (6) and a lower supporting shaft (12) fixed on the middle valve body (6), at least one fourth O-shaped sealing ring (13) is sealed between the lower supporting shaft (12) and the middle valve body (6), and a corrosion resistant layer (5) is arranged at the position where the lower supporting shaft (12) and/or the middle valve body (6) are in contact with the fourth O-shaped sealing ring (13).
5. A leak resistant fixed ball valve as set forth in claim 4,
the left valve body (1) and the right valve body (2) are respectively connected with the middle valve body (6), fifth O-shaped sealing rings (14) are sealed between the middle valve body (6) and the left valve body (1) and between the middle valve body and the right valve body (2), and corrosion-resistant layers (5) are arranged at the positions, in contact with the fifth O-shaped sealing rings (14), of the middle valve body (6) and/or the left valve body (1) and/or the right valve body (2).
6. A leak-proof stationary ball valve according to any of claims 1 to 5,
the corrosion-resistant layer (5) is a surfacing corrosion-resistant layer.
7. The leak resistant fixed ball valve of claim 1,
the valve seat support ring (3) is made of stainless steel or carbon steel with a right nickel-phosphorus-boron alloy coating deposited on the surface.
8. A leak resistant fixed ball valve as set forth in claim 3,
the valve rod (9) and/or the upper supporting shaft (7) are made of stainless steel or carbon steel with a right nickel-phosphorus-boron alloy coating deposited on the surface.
9. The leak resistant fixed ball valve of claim 4,
the lower support shaft (12) is made of stainless steel or carbon steel with a right nickel-phosphorus-boron alloy coating deposited on the surface.
10. The leak resistant fixed ball valve of claim 6,
the material of the surfacing corrosion-resistant layer is 316 stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922274957.6U CN211449809U (en) | 2019-12-16 | 2019-12-16 | Anti-leakage fixed ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922274957.6U CN211449809U (en) | 2019-12-16 | 2019-12-16 | Anti-leakage fixed ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211449809U true CN211449809U (en) | 2020-09-08 |
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ID=72298907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922274957.6U Active CN211449809U (en) | 2019-12-16 | 2019-12-16 | Anti-leakage fixed ball valve |
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| CN (1) | CN211449809U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375059A (en) * | 2021-04-27 | 2021-09-10 | 王令军 | Anti-leakage ball valve |
| CN117847252A (en) * | 2024-03-07 | 2024-04-09 | 江苏诚功阀门科技有限公司 | High-pressure hydrogen valve with high sealing performance |
-
2019
- 2019-12-16 CN CN201922274957.6U patent/CN211449809U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375059A (en) * | 2021-04-27 | 2021-09-10 | 王令军 | Anti-leakage ball valve |
| CN117847252A (en) * | 2024-03-07 | 2024-04-09 | 江苏诚功阀门科技有限公司 | High-pressure hydrogen valve with high sealing performance |
| CN117847252B (en) * | 2024-03-07 | 2024-05-17 | 江苏诚功阀门科技有限公司 | High-pressure hydrogen valve with high sealing performance |
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